Looking south showing progress on 64th St. sub. station

Looking south showing progress on 64th St. sub. station
Enlarge Image
Why am I seeing a watermark?
Title: Looking south showing progress on 64th St. sub. station
Description:

View of construction site for subway line (the Sea Beach or N line) showing workers constructing scaffold within fenced-off excavation; dog sitting near rock pile in foreground; hill of dirt at right; tops of houses and one large school-like building beyond trees in background.
Date: 1914
Location: Brooklyn (New York, N.Y.)
More Details: Title from inscription on recto.
On recto: date inscribed: Sept-19-1914.
Photographer's name inscribed on recto: "Urquhart."
Collection: Subway Construction
Subject: Subways
Construction workers
Dogs
Scaffolding
Institution: Brooklyn Public Library, Brooklyn Collection.
Medium: Photographic prints.
Gelatin silver prints.
Rights: Copyright restrictions apply to the use of this image. For more information or to obtain a photographic reproduction of this image, contact the Brooklyn Collection at Brooklyn Public Library.
ID: SUB 0234